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From ddcaa23c15a4881a882686961d99fc26abb45357 Mon Sep 17 00:00:00 2001
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From: Eduardo Habkost <ehabkost@redhat.com>
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Date: Mon, 16 Sep 2013 20:39:55 +0200
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Subject: [PATCH 06/25] pc: rhel6 doesn't have APIC on pentium* CPU models
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RH-Author: Eduardo Habkost <ehabkost@redhat.com>
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Message-id: <1379363997-11783-3-git-send-email-ehabkost@redhat.com>
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Patchwork-id: 54400
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O-Subject: [RHEL7 PATCH 2/4] pc: rhel6 doesn't have APIC on pentium* CPU models
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Bugzilla: 918907
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RH-Acked-by: Bandan Das <bsd@redhat.com>
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RH-Acked-by: Markus Armbruster <armbru@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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From: Eduardo Habkost <ehabkost@raisama.net>
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Bugzilla: 918907
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Upstream status: not applicable
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(pc-0.12 already have CPUID_APIC enabled for almost 4 years)
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Brew build: http://brewweb.devel.redhat.com/brew/taskinfo?taskID=6290888
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QEMU v0.13 and newer has CPUID_APIC set on pentium, pentium2, and
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pentium3 CPU models[1], but v0.12 (and RHEL-6) don't have it. We need to
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disable the flag on pc_init_rhel650() to keep compatibility.
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[1] Upstream commit c84bd4f104098861e162be848a00d64c1fa76ed4
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Signed-off-by: Eduardo Habkost <ehabkost@raisama.net>
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---
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hw/i386/pc_piix.c | 4 ++++
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1 file changed, 4 insertions(+)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/i386/pc_piix.c | 4 ++++
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1 files changed, 4 insertions(+), 0 deletions(-)
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diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
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index 39be127..6fe6ba0 100644
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--- a/hw/i386/pc_piix.c
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+++ b/hw/i386/pc_piix.c
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@@ -872,6 +872,10 @@ static QEMUMachine pc_machine_rhel700 = {
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static void pc_init_rhel650(QEMUMachineInitArgs *args)
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{
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+ x86_cpu_compat_set_features("pentium", FEAT_1_EDX, 0, CPUID_APIC);
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+ x86_cpu_compat_set_features("pentium2", FEAT_1_EDX, 0, CPUID_APIC);
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+ x86_cpu_compat_set_features("pentium3", FEAT_1_EDX, 0, CPUID_APIC);
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+
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x86_cpu_compat_set_features("Conroe", FEAT_1_ECX, CPUID_EXT_X2APIC, 0);
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x86_cpu_compat_set_features("Penryn", FEAT_1_ECX, CPUID_EXT_X2APIC, 0);
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x86_cpu_compat_set_features("Nehalem", FEAT_1_ECX, CPUID_EXT_X2APIC, 0);
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--
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1.7.1
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